Launch of a sea-to-surface strategic ballistic Polaris A3 missile by a British submarine

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A British ballistic missile submarine launches a Polaris A3 missile. This sea-to-surface strategic ballistic missile becomes operational on the Royal Navy’s Resolution-class ballistic missile submarines in June 1968. The Polaris A3 is an improved Polaris with multiple nuclear warheads and a range of 4 631 km.